CARNIVORA. 



401 



Cat tribe, comprising the most typical members of the whole 

 order of the Carnivora, such as the Lions, Tigers, Leopards, 

 Cat, and Panthers. The members of this family all walk 

 upon the tips of their toes, the soles of their feet being hairy, 



Fig. 679. — Teeth of Hycenodon horridus, viewed from one side, reduced in size, tlie lower 

 canine and incisors being wanting. Miocene Tertiary, North America. (After Leidy.) 



and the whole of the metacarpus and heel being raised above 

 the ground (fig. 673, c). The jaws are short, and, owing to 

 this fact, and to the great size of the muscles concerned in 

 mastication, the head assumes a short and rounded form. 



Fig. (380.— Side view of the skull of the Lion (Felis ho). 



with an abbreviated and rounded muzzle. The molars and 

 prtemolars are fewer in number than in any other of the 

 Carnivora (hence the shortness of the jaws), and they are all 

 trenchant, except the last molar in the upper jaw, which is 

 tuberculate. The upper carnassial has three lobes, and a 

 blunt heel or internal process. The lower carnassial has 

 two cutting lobes, and no internal process. The dental 

 formula is — 



VOL. II. 



2 C 



